//
//  UIColor+HEX.m
//  xiaobaima
//
//  Created by xbmios on 2017/11/20.
//  Copyright © 2017年 xbmios. All rights reserved.
//

#import "UIColor+HEX.h"

@implementation UIColor (HEX)


+ (UIColor *)colorWithHexString:(NSString *)color {
    
    NSString *cString = [[color stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    
    if ([cString length] < 6) {
        
        return [UIColor clearColor];
    }
    
    
    if ([cString hasPrefix:@"OX"]) {
        
        cString = [cString substringFromIndex:2];
    }
    
    if ([cString hasPrefix:@"#"]) {
        
        cString = [cString substringFromIndex:1];
        
    }
    
    if ([cString length] != 6) {
        
        return [UIColor clearColor];
    }
    
    
    NSRange range;
    range.location = 0;
    range.length = 2;
    
    NSString *rString = [cString substringWithRange:range];
    
    range.location = 2;
    NSString *gString = [cString substringWithRange:range];
    
    range.location = 4;
    NSString *bString = [cString substringWithRange:range];
    
    
    unsigned int r, g, b;
    [[NSScanner scannerWithString:rString] scanHexInt:&r];
    [[NSScanner scannerWithString:gString] scanHexInt:&g];
    [[NSScanner scannerWithString:bString] scanHexInt:&b];
    
    
    return [UIColor colorWithRed:((float) r / 255.0f) green:((float) g / 255.0) blue:((float) b / 255.0) alpha:1.0f];

}


@end
